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WO2005034265A3 - Method for improving the durability of carbon or graphite electrodes by using tio2-containing products - Google Patents

Method for improving the durability of carbon or graphite electrodes by using tio2-containing products Download PDF

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Publication number
WO2005034265A3
WO2005034265A3 PCT/EP2004/010367 EP2004010367W WO2005034265A3 WO 2005034265 A3 WO2005034265 A3 WO 2005034265A3 EP 2004010367 W EP2004010367 W EP 2004010367W WO 2005034265 A3 WO2005034265 A3 WO 2005034265A3
Authority
WO
WIPO (PCT)
Prior art keywords
tio2
carbon
graphite electrodes
durability
improving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2004/010367
Other languages
German (de)
French (fr)
Other versions
WO2005034265A2 (en
Inventor
Djamschid Amirzadeh-Asl
Dieter Fuenders
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Venator Germany GmbH
Original Assignee
Sachtleben Chemie GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sachtleben Chemie GmbH filed Critical Sachtleben Chemie GmbH
Priority to ES04765269.8T priority Critical patent/ES2445031T3/en
Priority to US10/571,657 priority patent/US7820129B2/en
Priority to PL04765269T priority patent/PL1668301T3/en
Priority to EP04765269.8A priority patent/EP1668301B1/en
Publication of WO2005034265A2 publication Critical patent/WO2005034265A2/en
Publication of WO2005034265A3 publication Critical patent/WO2005034265A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • F27D11/08—Heating by electric discharge, e.g. arc discharge
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/5607—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides
    • C04B35/5611—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides based on titanium carbides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/58007—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on refractory metal nitrides
    • C04B35/58014—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on refractory metal nitrides based on titanium nitrides, e.g. TiAlON
    • C04B35/58021—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on refractory metal nitrides based on titanium nitrides, e.g. TiAlON based on titanium carbonitrides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
    • C04B35/6267—Pyrolysis, carbonisation or auto-combustion reactions
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/06—Electrodes
    • H05B7/08—Electrodes non-consumable
    • H05B7/085—Electrodes non-consumable mainly consisting of carbon
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/48—Organic compounds becoming part of a ceramic after heat treatment, e.g. carbonising phenol resins

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Discharge Heating (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Inert Electrodes (AREA)

Abstract

The invention relates to a method for producing carbon or HV graphite electrodes, in which a carbon carrier is mixed with a hydrocarbon-containing binder, and the mixture is subjected to a coking process and/or graphitization process, and one or more synthetic titanium compounds are additionally added to the raw materials. The titanium compound is preferably comprised of TiO2. Iron oxide can be added as an accompanying substance.
PCT/EP2004/010367 2003-09-20 2004-09-16 Method for improving the durability of carbon or graphite electrodes by using tio2-containing products Ceased WO2005034265A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES04765269.8T ES2445031T3 (en) 2003-09-20 2004-09-16 Procedure to improve the durability of carbon or graphite electrodes using tio2 / products containing TiO2
US10/571,657 US7820129B2 (en) 2003-09-20 2004-09-16 Method for improving the durability of carbon or graphite electrodes by using Tio2—containing products
PL04765269T PL1668301T3 (en) 2003-09-20 2004-09-16 METHOD FOR IMPROVING THE DURABILITY OF CARBON OR GRAPHITE ELECTRODES BY USING TIO sb 2 /sb -CONTAINING PRODUCTS
EP04765269.8A EP1668301B1 (en) 2003-09-20 2004-09-16 METHOD FOR IMPROVING THE DURABILITY OF CARBON OR GRAPHITE ELECTRODES BY USING TIO sb 2 /sb -CONTAINING PRODUCTS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10343687A DE10343687A1 (en) 2003-09-20 2003-09-20 Process for improving the durability of carbon or graphite electrodes by using products containing TiO 2 O 2
DE10343687.1 2003-09-20

Publications (2)

Publication Number Publication Date
WO2005034265A2 WO2005034265A2 (en) 2005-04-14
WO2005034265A3 true WO2005034265A3 (en) 2005-06-09

Family

ID=34352971

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/010367 Ceased WO2005034265A2 (en) 2003-09-20 2004-09-16 Method for improving the durability of carbon or graphite electrodes by using tio2-containing products

Country Status (6)

Country Link
US (1) US7820129B2 (en)
EP (1) EP1668301B1 (en)
DE (1) DE10343687A1 (en)
ES (1) ES2445031T3 (en)
PL (1) PL1668301T3 (en)
WO (1) WO2005034265A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7053967B2 (en) * 2002-05-23 2006-05-30 Planar Systems, Inc. Light sensitive display
US7628937B2 (en) * 2007-12-17 2009-12-08 E.I. Du Pont De Nemours And Company Processes for making titanium production anodes
EP2415880A1 (en) * 2010-08-03 2012-02-08 Sachtleben Chemie GmbH Additive containing coke and titanium and use of same to repair the cladding of metallurgical containers
CN104062337B (en) * 2014-06-17 2016-10-05 广州科城环保科技有限公司 A kind of graphite electrode and the method measuring chloride ion content in copper sulphate thereof
DE102016100810A1 (en) * 2016-01-19 2017-07-20 Deutsche Edelstahlwerke Gmbh Refractory material and its use
CN116514550B (en) * 2023-02-21 2024-07-02 南通扬子碳素股份有限公司 Graphene modified graphite electrode, preparation method and application thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3327251A1 (en) * 1982-08-02 1984-02-23 Nalco Chemical Co., 60521 Oak Brook, Ill. COATING MEASURES FOR PREVENTING THE OXIDATION OF ELECTRODES DURING THE PRODUCTION OF IRON METALS, IN PARTICULAR STEEL, IN ELECTRIC OVENS
JPS6196095A (en) * 1984-10-15 1986-05-14 Nippon Carbon Co Ltd Graphite electrode and its manufacture
US4613375A (en) * 1984-03-07 1986-09-23 Swiss Aluminium Ltd. Carbon paste and process for its manufacture
US4824733A (en) * 1986-04-25 1989-04-25 Canadian Patents And Development Limited/Societe Anti-oxidant barrier for carbon based material
EP0436143A2 (en) * 1989-12-20 1991-07-10 Feist Intertec AG Method of impregnating and heat-treating carbonaqueous material
US5397450A (en) * 1993-03-22 1995-03-14 Moltech Invent S.A. Carbon-based bodies in particular for use in aluminium production cells

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US3054166A (en) * 1959-02-27 1962-09-18 Union Carbide Corp Electrodes for melting refractory metals
CH389248A (en) * 1961-04-11 1965-03-15 Albert Dr Sommer Process for the production of carbon electrodes for metallurgical purposes
DE1904408A1 (en) * 1969-01-30 1970-08-06 Conradty Fa C High performance electrode with stabilized arc
DE1904672C3 (en) * 1969-01-31 1975-07-24 Fa. C. Conradty, 8500 Nuernberg Electrographite electrode for arc furnaces for the production of steel
US3563705A (en) * 1969-03-17 1971-02-16 Great Lakes Carbon Corp Method of inhibiting puffing in the manufacture of graphite bodies
US4140623A (en) * 1977-09-26 1979-02-20 Continental Oil Company Inhibition of coke puffing
US4828733A (en) * 1986-04-18 1989-05-09 Mobil Oil Corporation Copper salts of hindered phenolic carboxylates and lubricants and fuels containing same
US4959139A (en) * 1989-01-09 1990-09-25 Conoco Inc. Binder pitch and method of preparation
RO103719B1 (en) 1989-02-01 1994-03-21 Inst De Cercetari Mrtalurgice Method for inhibition of the bulging phenomenon of the graphite electrodes
US5169718A (en) * 1989-06-22 1992-12-08 Toyota Jidosha Kabushiki Kaisha Sliding member
DE19850735C1 (en) * 1998-11-04 2000-09-21 Conradty Nuernberg Gmbh C Electrode for electrometallurgical processes

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3327251A1 (en) * 1982-08-02 1984-02-23 Nalco Chemical Co., 60521 Oak Brook, Ill. COATING MEASURES FOR PREVENTING THE OXIDATION OF ELECTRODES DURING THE PRODUCTION OF IRON METALS, IN PARTICULAR STEEL, IN ELECTRIC OVENS
US4613375A (en) * 1984-03-07 1986-09-23 Swiss Aluminium Ltd. Carbon paste and process for its manufacture
JPS6196095A (en) * 1984-10-15 1986-05-14 Nippon Carbon Co Ltd Graphite electrode and its manufacture
US4824733A (en) * 1986-04-25 1989-04-25 Canadian Patents And Development Limited/Societe Anti-oxidant barrier for carbon based material
EP0436143A2 (en) * 1989-12-20 1991-07-10 Feist Intertec AG Method of impregnating and heat-treating carbonaqueous material
US5397450A (en) * 1993-03-22 1995-03-14 Moltech Invent S.A. Carbon-based bodies in particular for use in aluminium production cells

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 198626, Derwent World Patents Index; Class A85, AN 1986-164653, XP002322775 *
DATABASE WPI Section Ch Week 199432, Derwent World Patents Index; Class L03, AN 1994-261431, XP002322773 *
DATABASE WPI Section EI Week 198943, Derwent World Patents Index; Class X25, AN 1989-314955, XP002322774 *

Also Published As

Publication number Publication date
ES2445031T3 (en) 2014-02-27
EP1668301B1 (en) 2013-11-06
PL1668301T3 (en) 2014-05-30
US7820129B2 (en) 2010-10-26
US20080048154A1 (en) 2008-02-28
WO2005034265A2 (en) 2005-04-14
DE10343687A1 (en) 2005-04-21
EP1668301A2 (en) 2006-06-14

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